%0 Journal Article %A S. N. Antontsev %T A~finite velocity of propagation of disturbances in multidimensional two-phase filtration-problems %J Zapiski Nauchnykh Seminarov POMI %D 1980 %P 3-12 %V 96 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1980_96_a1/ %G ru %F ZNSL_1980_96_a1